+#endif
+
+string
+length2string (const int64_t frames, const double sample_rate)
+{
+ int64_t secs = (int64_t) floor (frames / sample_rate);
+ int64_t hrs = secs / 3600LL;
+ secs -= (hrs * 3600LL);
+ int64_t mins = secs / 60LL;
+ secs -= (mins * 60LL);
+
+ int64_t total_secs = (hrs * 3600LL) + (mins * 60LL) + secs;
+ int64_t frames_remaining = (int64_t) floor (frames - (total_secs * sample_rate));
+ float fractional_secs = (float) frames_remaining / sample_rate;
+
+ char duration_str[64];
+ sprintf (duration_str, "%02" PRIi64 ":%02" PRIi64 ":%05.2f", hrs, mins, (float) secs + fractional_secs);
+
+ return duration_str;
+}
+
+static bool
+chars_equal_ignore_case(char x, char y)
+{
+ /* app should have called setlocale() if its wants this comparison to be
+ locale sensitive.
+ */
+ return toupper (x) == toupper (y);
+}
+
+bool
+strings_equal_ignore_case (const string& a, const string& b)
+{
+ if (a.length() == b.length()) {
+ return std::equal (a.begin(), a.end(), b.begin(), chars_equal_ignore_case);
+ }
+ return false;
+}
+
+bool
+string_is_affirmative (const std::string& str)
+{
+ /* to be used only with XML data - not intended to handle user input */
+
+ if (str.empty ()) {
+ return false;
+ }
+
+ /* the use of g_ascii_strncasecmp() is solely to get around issues with
+ * charsets posed by trying to use C++ for the same
+ * comparison. switching a std::string to its lower- or upper-case
+ * version has several issues, but handled by default
+ * in the way we desire when doing it in C.
+ */
+
+ return str == "1" || str == "y" || str == "Y" || (!g_ascii_strncasecmp(str.c_str(), "yes", str.length())) ||
+ (!g_ascii_strncasecmp(str.c_str(), "true", str.length()));
+}
+
+/** A wrapper for dgettext that takes a msgid of the form Context|Text.
+ * If Context|Text is translated, the translation is returned, otherwise
+ * just Text is returned. Useful for getting translations of words or phrases
+ * that have different meanings in different contexts.
+ */
+const char *
+sgettext (const char* domain_name, const char* msgid)
+{
+ const char * msgval = dgettext (domain_name, msgid);
+ if (msgval == msgid) {
+ const char * p = strrchr (msgid, '|');
+ if (p) {
+ msgval = p + 1;
+ }
+ }
+ return msgval;
+}